package prime_numbers;

import java.util.Scanner;

public class test_prime {

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int input = Integer.parseInt(sc.nextLine());
        //int input=30;
	//	prime_numbers1 pn = new prime_numbers1();
		prime_numbers pn = new prime_numbers();
		check_prime cp=new check_prime();
		cp.checkprime(input);
//		pn.generatePrimes(input);
			}
}
